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Subject: Re: [PATCH V10 04/11] Documentation/dax: Update Usage section
To:     ira.weiny@intel.com, linux-kernel@vger.kernel.org,
        linux-xfs@vger.kernel.org,
        "Darrick J. Wong" <darrick.wong@oracle.com>
Cc:     Jan Kara <jack@suse.cz>, Al Viro <viro@zeniv.linux.org.uk>,
        Dan Williams <dan.j.williams@intel.com>,
        Dave Chinner <david@fromorbit.com>,
        Christoph Hellwig <hch@lst.de>,
        "Theodore Y. Ts'o" <tytso@mit.edu>, Jeff Moyer <jmoyer@redhat.com>,
        linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-api@vger.kernel.org
References: <20200422212102.3757660-1-ira.weiny@intel.com>
 <20200422212102.3757660-5-ira.weiny@intel.com>
From:   Yasunori Goto <y-goto@fujitsu.com>
Message-ID: <2282176d-60c5-0e4b-3cf9-7a7682de380d@fujitsu.com>
Date:   Thu, 23 Apr 2020 11:33:26 +0900
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Hello,

I'm trying use your patch now, and I have a small comment in this document.

On 2020/04/23 6:20, ira.weiny@intel.com wrote:

> +To clarify inheritance here are 3 examples:
> +
> +Example A:
> +
> +mkdir -p a/b/c
> +xfs_io 'chattr +x' a

Probably, "-c" is necessary here.

xfs_io -c 'chattr +x' a


> +mkdir a/b/c/d
> +mkdir a/e
> +
> +	dax: a,e
> +	no dax: b,c,d
> +
> +Example B:
> +
> +mkdir a
> +xfs_io 'chattr +x' a
ditto
> +mkdir -p a/b/c/d
> +
> +	dax: a,b,c,d
> +	no dax:
> +
> +Example C:
> +
> +mkdir -p a/b/c
> +xfs_io 'chattr +x' c
ditto
> +mkdir a/b/c/d
> +
> +	dax: c,d
> +	no dax: a,b
> +
> +

---

Yasunori Goto